This biographical data was taken from the Federal Judicial Center [link] on Aug 15, 2016:

Sand, Leonard Burke

Born 1928 in New York, NY

Federal Judicial Service:Judge, U.S. District Court, Southern District of New YorkNominated by Jimmy Carter on April 7, 1978, to a seat vacated by Charles M. Metzner. Confirmed by the Senate on May 17, 1978, and received commission on May 19, 1978. Assumed senior status on July 1, 1993.

Education:New York University School of Commerce, B.S., 1947Harvard Law School, LL.B., 1951

Professional Career:U.S. Naval Reserve ensign, 1951-1953Law clerk, U.S. Department of Justice, 1952-1953Assistant U.S. attorney, Southern District of New York, 1953-1954Private practice, New York City, 1954-1956, 1960-1978Assistant to the solicitor general, U.S. Department of Justice, 1956-1959